Home / 21,572.16-32,291.34-11,686.92

Finding the Fourth Proportional to 21,572.16, 32,291.34 and 11,686.92

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Solution

The fourth proportional to 21,572.16, 32,291.34 and 11,686.92 is: 17,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.16 : 32,291.34 = 11,686.92 : x
  2. Step 2: Convert to fraction form
    21,572.16/32,291.34 = 11,686.92/x
  3. Step 3: Cross multiply
    21,572.16x = 32,291.34 × 11,686.92
  4. Step 4: Simplify right side
    21,572.16x = 377,386,307.27
  5. Step 5: Solve for x
    x = 377,386,307.27/21,572.16
  6. Step 6: Final answer
    x = 17,494.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.